just ask them how they would feel if they were in a small room with lods of people in there all hot and stuffy no where to go toilet apart from in that room ect ect then see how they like it, i too would like the link please.
Wow...how sad. And that guy just isn't listening. I like the 24 puppies in a cupboard analogy. I thought plecos got a lot larger than 3 in., but I don't know that much about them. I've also heard that Bettas should be alone. Anyway, just look at all that algae on his tank. Yikes!